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Diffstat (limited to 'common/jpeg/simd/jfmmxfst.asm')
-rw-r--r-- | common/jpeg/simd/jfmmxfst.asm | 397 |
1 files changed, 0 insertions, 397 deletions
diff --git a/common/jpeg/simd/jfmmxfst.asm b/common/jpeg/simd/jfmmxfst.asm deleted file mode 100644 index 0647242a..00000000 --- a/common/jpeg/simd/jfmmxfst.asm +++ /dev/null @@ -1,397 +0,0 @@ -; -; jfmmxfst.asm - fast integer FDCT (MMX) -; -; Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB -; -; Based on -; x86 SIMD extension for IJG JPEG library -; Copyright (C) 1999-2006, MIYASAKA Masaru. -; For conditions of distribution and use, see copyright notice in jsimdext.inc -; -; This file should be assembled with NASM (Netwide Assembler), -; can *not* be assembled with Microsoft's MASM or any compatible -; assembler (including Borland's Turbo Assembler). -; NASM is available from http://nasm.sourceforge.net/ or -; http://sourceforge.net/project/showfiles.php?group_id=6208 -; -; This file contains a fast, not so accurate integer implementation of -; the forward DCT (Discrete Cosine Transform). The following code is -; based directly on the IJG's original jfdctfst.c; see the jfdctfst.c -; for more details. -; -; [TAB8] - -%include "jsimdext.inc" -%include "jdct.inc" - -; -------------------------------------------------------------------------- - -%define CONST_BITS 8 ; 14 is also OK. - -%if CONST_BITS == 8 -F_0_382 equ 98 ; FIX(0.382683433) -F_0_541 equ 139 ; FIX(0.541196100) -F_0_707 equ 181 ; FIX(0.707106781) -F_1_306 equ 334 ; FIX(1.306562965) -%else -; NASM cannot do compile-time arithmetic on floating-point constants. -%define DESCALE(x,n) (((x)+(1<<((n)-1)))>>(n)) -F_0_382 equ DESCALE( 410903207,30-CONST_BITS) ; FIX(0.382683433) -F_0_541 equ DESCALE( 581104887,30-CONST_BITS) ; FIX(0.541196100) -F_0_707 equ DESCALE( 759250124,30-CONST_BITS) ; FIX(0.707106781) -F_1_306 equ DESCALE(1402911301,30-CONST_BITS) ; FIX(1.306562965) -%endif - -; -------------------------------------------------------------------------- - SECTION SEG_CONST - -; PRE_MULTIPLY_SCALE_BITS <= 2 (to avoid overflow) -; CONST_BITS + CONST_SHIFT + PRE_MULTIPLY_SCALE_BITS == 16 (for pmulhw) - -%define PRE_MULTIPLY_SCALE_BITS 2 -%define CONST_SHIFT (16 - PRE_MULTIPLY_SCALE_BITS - CONST_BITS) - - alignz 16 - global EXTN(jconst_fdct_ifast_mmx) - -EXTN(jconst_fdct_ifast_mmx): - -PW_F0707 times 4 dw F_0_707 << CONST_SHIFT -PW_F0382 times 4 dw F_0_382 << CONST_SHIFT -PW_F0541 times 4 dw F_0_541 << CONST_SHIFT -PW_F1306 times 4 dw F_1_306 << CONST_SHIFT - - alignz 16 - -; -------------------------------------------------------------------------- - SECTION SEG_TEXT - BITS 32 -; -; Perform the forward DCT on one block of samples. -; -; GLOBAL(void) -; jsimd_fdct_ifast_mmx (DCTELEM * data) -; - -%define data(b) (b)+8 ; DCTELEM * data - -%define original_ebp ebp+0 -%define wk(i) ebp-(WK_NUM-(i))*SIZEOF_MMWORD ; mmword wk[WK_NUM] -%define WK_NUM 2 - - align 16 - global EXTN(jsimd_fdct_ifast_mmx) - -EXTN(jsimd_fdct_ifast_mmx): - push ebp - mov eax,esp ; eax = original ebp - sub esp, byte 4 - and esp, byte (-SIZEOF_MMWORD) ; align to 64 bits - mov [esp],eax - mov ebp,esp ; ebp = aligned ebp - lea esp, [wk(0)] - pushpic ebx -; push ecx ; need not be preserved -; push edx ; need not be preserved -; push esi ; unused -; push edi ; unused - - get_GOT ebx ; get GOT address - - ; ---- Pass 1: process rows. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.rowloop: - - movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - movq mm2, MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)] - - ; mm0=(20 21 22 23), mm2=(24 25 26 27) - ; mm1=(30 31 32 33), mm3=(34 35 36 37) - - movq mm4,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm1 ; mm0=(20 30 21 31) - punpckhwd mm4,mm1 ; mm4=(22 32 23 33) - movq mm5,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm3 ; mm2=(24 34 25 35) - punpckhwd mm5,mm3 ; mm5=(26 36 27 37) - - movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)] - - ; mm6=(00 01 02 03), mm1=(04 05 06 07) - ; mm7=(10 11 12 13), mm3=(14 15 16 17) - - movq MMWORD [wk(0)], mm4 ; wk(0)=(22 32 23 33) - movq MMWORD [wk(1)], mm2 ; wk(1)=(24 34 25 35) - - movq mm4,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 10 01 11) - punpckhwd mm4,mm7 ; mm4=(02 12 03 13) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm3 ; mm1=(04 14 05 15) - punpckhwd mm2,mm3 ; mm2=(06 16 07 17) - - movq mm7,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm0 ; mm6=(00 10 20 30)=data0 - punpckhdq mm7,mm0 ; mm7=(01 11 21 31)=data1 - movq mm3,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm5 ; mm2=(06 16 26 36)=data6 - punpckhdq mm3,mm5 ; mm3=(07 17 27 37)=data7 - - movq mm0,mm7 - movq mm5,mm6 - psubw mm7,mm2 ; mm7=data1-data6=tmp6 - psubw mm6,mm3 ; mm6=data0-data7=tmp7 - paddw mm0,mm2 ; mm0=data1+data6=tmp1 - paddw mm5,mm3 ; mm5=data0+data7=tmp0 - - movq mm2, MMWORD [wk(0)] ; mm2=(22 32 23 33) - movq mm3, MMWORD [wk(1)] ; mm3=(24 34 25 35) - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7 - - movq mm7,mm4 ; transpose coefficients(phase 2) - punpckldq mm4,mm2 ; mm4=(02 12 22 32)=data2 - punpckhdq mm7,mm2 ; mm7=(03 13 23 33)=data3 - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm3 ; mm1=(04 14 24 34)=data4 - punpckhdq mm6,mm3 ; mm6=(05 15 25 35)=data5 - - movq mm2,mm7 - movq mm3,mm4 - paddw mm7,mm1 ; mm7=data3+data4=tmp3 - paddw mm4,mm6 ; mm4=data2+data5=tmp2 - psubw mm2,mm1 ; mm2=data3-data4=tmp4 - psubw mm3,mm6 ; mm3=data2-data5=tmp5 - - ; -- Even part - - movq mm1,mm5 - movq mm6,mm0 - psubw mm5,mm7 ; mm5=tmp13 - psubw mm0,mm4 ; mm0=tmp12 - paddw mm1,mm7 ; mm1=tmp10 - paddw mm6,mm4 ; mm6=tmp11 - - paddw mm0,mm5 - psllw mm0,PRE_MULTIPLY_SCALE_BITS - pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1 - - movq mm7,mm1 - movq mm4,mm5 - psubw mm1,mm6 ; mm1=data4 - psubw mm5,mm0 ; mm5=data6 - paddw mm7,mm6 ; mm7=data0 - paddw mm4,mm0 ; mm4=data2 - - movq MMWORD [MMBLOCK(0,1,edx,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(2,1,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4 - - ; -- Odd part - - movq mm6, MMWORD [wk(0)] ; mm6=tmp6 - movq mm0, MMWORD [wk(1)] ; mm0=tmp7 - - paddw mm2,mm3 ; mm2=tmp10 - paddw mm3,mm6 ; mm3=tmp11 - paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7 - - psllw mm2,PRE_MULTIPLY_SCALE_BITS - psllw mm6,PRE_MULTIPLY_SCALE_BITS - - psllw mm3,PRE_MULTIPLY_SCALE_BITS - pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3 - - movq mm1,mm2 ; mm1=tmp10 - psubw mm2,mm6 - pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5 - pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610) - pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296) - paddw mm1,mm2 ; mm1=z2 - paddw mm6,mm2 ; mm6=z4 - - movq mm5,mm0 - psubw mm0,mm3 ; mm0=z13 - paddw mm5,mm3 ; mm5=z11 - - movq mm7,mm0 - movq mm4,mm5 - psubw mm0,mm1 ; mm0=data3 - psubw mm5,mm6 ; mm5=data7 - paddw mm7,mm1 ; mm7=data5 - paddw mm4,mm6 ; mm4=data1 - - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(3,1,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(1,1,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4 - - add edx, byte 4*DCTSIZE*SIZEOF_DCTELEM - dec ecx - jnz near .rowloop - - ; ---- Pass 2: process columns. - - mov edx, POINTER [data(eax)] ; (DCTELEM *) - mov ecx, DCTSIZE/4 - alignx 16,7 -.columnloop: - - movq mm0, MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)] - movq mm2, MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)] - - ; mm0=(02 12 22 32), mm2=(42 52 62 72) - ; mm1=(03 13 23 33), mm3=(43 53 63 73) - - movq mm4,mm0 ; transpose coefficients(phase 1) - punpcklwd mm0,mm1 ; mm0=(02 03 12 13) - punpckhwd mm4,mm1 ; mm4=(22 23 32 33) - movq mm5,mm2 ; transpose coefficients(phase 1) - punpcklwd mm2,mm3 ; mm2=(42 43 52 53) - punpckhwd mm5,mm3 ; mm5=(62 63 72 73) - - movq mm6, MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)] - movq mm7, MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)] - movq mm1, MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)] - movq mm3, MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)] - - ; mm6=(00 10 20 30), mm1=(40 50 60 70) - ; mm7=(01 11 21 31), mm3=(41 51 61 71) - - movq MMWORD [wk(0)], mm4 ; wk(0)=(22 23 32 33) - movq MMWORD [wk(1)], mm2 ; wk(1)=(42 43 52 53) - - movq mm4,mm6 ; transpose coefficients(phase 1) - punpcklwd mm6,mm7 ; mm6=(00 01 10 11) - punpckhwd mm4,mm7 ; mm4=(20 21 30 31) - movq mm2,mm1 ; transpose coefficients(phase 1) - punpcklwd mm1,mm3 ; mm1=(40 41 50 51) - punpckhwd mm2,mm3 ; mm2=(60 61 70 71) - - movq mm7,mm6 ; transpose coefficients(phase 2) - punpckldq mm6,mm0 ; mm6=(00 01 02 03)=data0 - punpckhdq mm7,mm0 ; mm7=(10 11 12 13)=data1 - movq mm3,mm2 ; transpose coefficients(phase 2) - punpckldq mm2,mm5 ; mm2=(60 61 62 63)=data6 - punpckhdq mm3,mm5 ; mm3=(70 71 72 73)=data7 - - movq mm0,mm7 - movq mm5,mm6 - psubw mm7,mm2 ; mm7=data1-data6=tmp6 - psubw mm6,mm3 ; mm6=data0-data7=tmp7 - paddw mm0,mm2 ; mm0=data1+data6=tmp1 - paddw mm5,mm3 ; mm5=data0+data7=tmp0 - - movq mm2, MMWORD [wk(0)] ; mm2=(22 23 32 33) - movq mm3, MMWORD [wk(1)] ; mm3=(42 43 52 53) - movq MMWORD [wk(0)], mm7 ; wk(0)=tmp6 - movq MMWORD [wk(1)], mm6 ; wk(1)=tmp7 - - movq mm7,mm4 ; transpose coefficients(phase 2) - punpckldq mm4,mm2 ; mm4=(20 21 22 23)=data2 - punpckhdq mm7,mm2 ; mm7=(30 31 32 33)=data3 - movq mm6,mm1 ; transpose coefficients(phase 2) - punpckldq mm1,mm3 ; mm1=(40 41 42 43)=data4 - punpckhdq mm6,mm3 ; mm6=(50 51 52 53)=data5 - - movq mm2,mm7 - movq mm3,mm4 - paddw mm7,mm1 ; mm7=data3+data4=tmp3 - paddw mm4,mm6 ; mm4=data2+data5=tmp2 - psubw mm2,mm1 ; mm2=data3-data4=tmp4 - psubw mm3,mm6 ; mm3=data2-data5=tmp5 - - ; -- Even part - - movq mm1,mm5 - movq mm6,mm0 - psubw mm5,mm7 ; mm5=tmp13 - psubw mm0,mm4 ; mm0=tmp12 - paddw mm1,mm7 ; mm1=tmp10 - paddw mm6,mm4 ; mm6=tmp11 - - paddw mm0,mm5 - psllw mm0,PRE_MULTIPLY_SCALE_BITS - pmulhw mm0,[GOTOFF(ebx,PW_F0707)] ; mm0=z1 - - movq mm7,mm1 - movq mm4,mm5 - psubw mm1,mm6 ; mm1=data4 - psubw mm5,mm0 ; mm5=data6 - paddw mm7,mm6 ; mm7=data0 - paddw mm4,mm0 ; mm4=data2 - - movq MMWORD [MMBLOCK(4,0,edx,SIZEOF_DCTELEM)], mm1 - movq MMWORD [MMBLOCK(6,0,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(0,0,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(2,0,edx,SIZEOF_DCTELEM)], mm4 - - ; -- Odd part - - movq mm6, MMWORD [wk(0)] ; mm6=tmp6 - movq mm0, MMWORD [wk(1)] ; mm0=tmp7 - - paddw mm2,mm3 ; mm2=tmp10 - paddw mm3,mm6 ; mm3=tmp11 - paddw mm6,mm0 ; mm6=tmp12, mm0=tmp7 - - psllw mm2,PRE_MULTIPLY_SCALE_BITS - psllw mm6,PRE_MULTIPLY_SCALE_BITS - - psllw mm3,PRE_MULTIPLY_SCALE_BITS - pmulhw mm3,[GOTOFF(ebx,PW_F0707)] ; mm3=z3 - - movq mm1,mm2 ; mm1=tmp10 - psubw mm2,mm6 - pmulhw mm2,[GOTOFF(ebx,PW_F0382)] ; mm2=z5 - pmulhw mm1,[GOTOFF(ebx,PW_F0541)] ; mm1=MULTIPLY(tmp10,FIX_0_54119610) - pmulhw mm6,[GOTOFF(ebx,PW_F1306)] ; mm6=MULTIPLY(tmp12,FIX_1_30656296) - paddw mm1,mm2 ; mm1=z2 - paddw mm6,mm2 ; mm6=z4 - - movq mm5,mm0 - psubw mm0,mm3 ; mm0=z13 - paddw mm5,mm3 ; mm5=z11 - - movq mm7,mm0 - movq mm4,mm5 - psubw mm0,mm1 ; mm0=data3 - psubw mm5,mm6 ; mm5=data7 - paddw mm7,mm1 ; mm7=data5 - paddw mm4,mm6 ; mm4=data1 - - movq MMWORD [MMBLOCK(3,0,edx,SIZEOF_DCTELEM)], mm0 - movq MMWORD [MMBLOCK(7,0,edx,SIZEOF_DCTELEM)], mm5 - movq MMWORD [MMBLOCK(5,0,edx,SIZEOF_DCTELEM)], mm7 - movq MMWORD [MMBLOCK(1,0,edx,SIZEOF_DCTELEM)], mm4 - - add edx, byte 4*SIZEOF_DCTELEM - dec ecx - jnz near .columnloop - - emms ; empty MMX state - -; pop edi ; unused -; pop esi ; unused -; pop edx ; need not be preserved -; pop ecx ; need not be preserved - poppic ebx - mov esp,ebp ; esp <- aligned ebp - pop esp ; esp <- original ebp - pop ebp - ret - -; For some reason, the OS X linker does not honor the request to align the -; segment unless we do this. - align 16 |